@article{10_4064_sm218_1_1,
     author = {Katarzyna Pietruska-Pa{\l}uba and Andrzej St\'os},
     title = {Poincar\'e inequality and {Haj{\l}asz{\textendash}Sobolev} spaces
 on nested fractals},
     journal = {Studia Mathematica},
     pages = {1--26},
     publisher = {mathdoc},
     volume = {218},
     number = {1},
     year = {2013},
     doi = {10.4064/sm218-1-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm218-1-1/}
}